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An introduction to excimer laser photorefractive keratectomy
1Indiana University School of Optometry, Atwater Eye Clinic, Bloomington 47405.
Journal of the American Optometric Association
|November 1, 1990
Summary
Excimer lasers precisely sculpt corneal tissue using ultraviolet light, crucial for modern laser refractive surgery. Ongoing research and FDA trials highlight their advancing role in vision correction procedures.
Area of Science:
- Ophthalmology
- Biomedical Optics
- Laser Surgery
Background:
- Corneal sculpting utilizes lasers for refractive procedures.
- Specific UV and IR wavelengths are optimal for corneal ablation.
- Maintaining surrounding tissue clarity is vital for refractive outcomes.
Purpose of the Study:
- To review the history and development of excimer lasers in ophthalmology.
- To detail the properties and mechanisms of excimer laser ablation.
- To present results from FDA-approved clinical trials.
Main Methods:
- Review of excimer laser history and technology.
- Analysis of laser ablation characteristics and damage mechanisms.
- Examination of various laser delivery systems.
- Compilation of FDA-approved clinical trial data.
Main Results:
- Excimer lasers (193 nm) enable precise corneal tissue ablation.
- Research has rapidly advanced excimer laser applications.
- FDA-approved clinical trials are currently in progress.
Conclusions:
- Excimer lasers are essential tools in modern refractive surgery.
- Continued research is refining laser corneal sculpting techniques.
- Clinical trials demonstrate the efficacy and safety of these procedures.